Fan



FIG. 1 is a cross-sectional view of a fan taken along line 1--1 in FIG. 2, showing the support stand in elevation;

FIG. 2 is a front elevation view thereof taken along line 2--2 in FIG. 1;

FIG. 3 is a front and right side perspective view thereof; and

FIG. 4 is a rear and left side perspective view thereof. 

The ornamental design for a fan, as shown. 